Bali Women's Satin Tracings Minimizer Underwire Outer Cup, Side Back, Strap Cushion: 100% Polyester; Cup, Side Back, Center, Front Strap Linings: 100% Nylon; Center, Front Strap, Sling: 89% Nylon, 11% Spandex; Back: 72% Nylon, 28% Spandex Imported Buckle closure Hand Wash Minimizes up to 1 3/4" - for a slimmer, smoother look under your clothes Cups provide extra lift and support - to flatter instead of flattening Comfort Cushion Straps help alleviate shoulder stress Cushion - tipped underwires add support Comfort-U design for stay-in-place straps